High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

Whether you want to go all-out on a sprint or conquer some hills, this workout has it all—and you can do it in 30 minutes. But even if the weather is ideal, the treadmill can help you hone in on ...

Forget hours running on the treadmill or the elliptical machine at the gym — if you’re short on time and looking for a way to torch calories, you’re better off doing a quick HIIT workout. You don’t ...

Only got 20 minutes to exercise? Hop on the treadmill ...

One study recruited 12 healthy young individuals and measured their energy expenditure during a 20-minute HIIT workout running on a treadmill and compared that to another 20-minute workout using a ...

There’s a reason HIIT workouts stand the test of time. They’re effective, accessible, and optimize your time. After all, HIIT workouts are an efficient way to combat a sedentary lifestyle, reduce your ...

With only 20-minutes of workout time to spare, I highly suggest clicking on HIIT YouTube workouts. You can train at max energy and burn more calories in less time — plus, it takes minimal effort to ...

I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...